If this is a joke, it’s going over my head. But as I understand it:

Geek: Socially Acceptable, Really smart about a particular topic, or in general. Nerd: Socially awkward, really smart about a topic or in general. Dork: Socially awkward, not especially bright.

Luthor in Flash’s Body: I have no idea who this is.

As a filthy casual with little to no knowledge of comics outside of a few cartoons…

… I’m incredibly confused and distracted by retro-cyborg’s design.

Megalovania intensifies.

THE UNIVERSE IS BALANCED ON THE BACK OF A GIANT KOALA!